1.9 Thermodynamic Contacts: A system in thermal equilibrium


PIC

S2: The world, a heat bath, ...
Exchange of heat energy \(\Delta Q\)

  • \(T_{1} = T_{2} = T\)

  • fixed volume \(V\)

  • fixed particle number \(N\)


Controlled by the system:
  • \(p\): pressure

  • \(\mu\): chemical potential

  • \(S\): entropy !!!


Examples:
  • many solids (\(V\) fixed)

  • gas in a fixed volume


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© J. Carstensen (Stat. Meth.)